Ink ribbon cartridge



FIG. 1 is a top plan view of an ink ribbon cartridge showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side view thereof; and

FIG. 6 is a right side view thereof. 

The ornamental design for an ink ribbon cartridge, as shown. 